The WhatsApp application for Windows and Mac is an extension of what we have in mobile, being necessary to synchronize the same way we do with the web version: scan the QR code and see the conversations.

It is an extension of what we have in mobile, being necessary to synchronize the same way we do with the web version: scan the QR code and see the conversations , but being native apps has a number of specific resources, such as better notifications and shortcuts.

Still you need to have whatsapp running on mobile, they are not independent applications (such as telegram), but will no longer consume resources of browser.